-
公开(公告)号：US20210259150A1
公开(公告)日：2021-08-26
申请号：US16802069
申请日：2020-02-26
申请人： DEERE & COMPANY
摘要： An adaptive engine speed control system for a grass mowing machine having an internal combustion engine, a hydrostatic traction drive circuit and a hydraulic mowing circuit for operating a plurality of cutting units. A controller provides a traction feedback output signal if the grass mowing machine is moving at an actual ground speed that is below a pedal based desired ground speed, and uses the traction feedback output signal to command the internal combustion engine to an increased speed above a pedal based engine speed control range.
-
公开(公告)号：US11889790B1
公开(公告)日：2024-02-06
申请号：US17196903
申请日：2021-03-09
CPC分类号： A01D69/03 , A01D34/005 , A01D34/60 , A01G23/067 , F15B7/008
摘要： A hydraulically powered implement is designed for use in connection with a tractor that has a hydraulic pump that supplies pressurized hydraulic fluid to the implement. The implement includes a variable displacement hydraulic motor, an operative element driven by the hydraulic motor, a speed sensor configured to measure the rotational speed of the operative element and output a speed signal representative of the measured speed, a shift module that adjusts the displacement of the hydraulic motor in response to a shift command signal, and a controller. The controller sends the shift command signal to the shift module in response to speed signal output by the speed sensor.
-
公开(公告)号：US20180343795A1
公开(公告)日：2018-12-06
申请号：US15608875
申请日：2017-05-30
申请人： Peter Jerry VanBerlo
发明人： Peter Jerry VanBerlo
摘要： A vine removal device comprises a frame and a pair of spaced-apart vine agitators movably carried by the frame so as to form a vine-feeding maw or throat between the vine agitators. A driven vine-cutter is movably carried by the frame and driven relative to the frame, and is disposed in registration with the maw to receive and cut vines fed into the maw by the vine agitators. One or more drive mechanisms are drivingly coupled to the vine-cutter and the vine agitators to drive the vine-cutter and the vine agitators. The vine agitators capture the vines and feed them into the maw, where the vines are cut into mulch by the vine-cutter. A vine removal implement may comprise a plurality of the vine removal devices arranged in side-by-side relation to traverse along a series of sweet potato rows.
-
公开(公告)号：US20150334918A1
公开(公告)日：2015-11-26
申请号：US14719573
申请日：2015-05-22
发明人： Stephen Daining
摘要： A material reducing apparatus is provided. The material reducing apparatus includes a hydraulic pump, a rotary reducing component, a primary hydraulic circuit, and a secondary hydraulic circuit. The primary hydraulic circuit includes a hydraulic motor that drives rotation of the rotary reducing component, an inlet line for delivering pressurized hydraulic fluid to an inlet of the hydraulic motor, and an outlet line for receiving the hydraulic fluid from an outlet of the hydraulic motor. The primary hydraulic circuit also includes at least one braking valve in fluid communication with the outlet line of the hydraulic motor, and a hydraulic accumulator in fluid communication with the inlet line. The hydraulic accumulator is sized to contain a stored volume of pressurized hydraulic fluid. The secondary hydraulic circuit includes an actuator that is selectively driven by pressurized hydraulic fluid from the hydraulic pump.
摘要翻译： 提供了一种材料还原装置。 材料还原装置包括液压泵，旋转减速部件，主液压回路和次级液压回路。 主液压回路包括驱动旋转减速部件的旋转的液压马达，用于将加压液压流体输送到液压马达的入口的入口管线和用于从液压马达的出口接收液压流体的出口管路。 主液压回路还包括与液压马达的出口管路流体连通的至少一个制动阀以及与入口管线流体连通的液压蓄能器。 液压蓄能器的尺寸设置成容纳存储体积的加压液压流体。 次级液压回路包括由来自液压泵的加压液压流体选择性地驱动的致动器。
-
公开(公告)号：US3832835A
公开(公告)日：1974-09-03
申请号：US32182873
申请日：1973-01-08
申请人： ROSEMAN MOWER CORP
CPC分类号： A01D34/43 , A01D34/246 , A01D34/60 , A01D2101/00
摘要： A packaged hydraulically operated gang mower assembly for mounting on an industrial type tractor. The assembly includes a U-shaped frame which connects to the tractor. The mowers are of the reel type and are driven by hydraulic motors. Hydraulically operated arms for raising, lowering the pulling the mowers are mounted on the frame. The side and rear mower arms are each individually raised and lowered. The underneath mower arms are raised and lowered by a single cylinder and piston. The mowers are supported by the ground during cutting operations and are connected to their arms so as to be free to follow the ground undulations both along and across the path of travel. Stability of the mowers during cutting is independent of their connections to their arms and is accomplished by the combination of front caster wheels and a rear roller on each mower. The hydraulic drive motors for the reels are arranged in at least two circuits with the motors in each circuit connected in series. Hydraulic fluid reservoirs for the drive motors are arranged to provide maximum cooling of the hydraulic fluid.
摘要翻译： 一种用于安装在工业型拖拉机上的包装液压操作的割枪机组件。 该组件包括连接到拖拉机的U形框架。 割草机是卷轴式的，由液压马达驱动。 用于升高，降低割草机的液压操作臂安装在框架上。 侧面和后部割草机臂各自单独升高和降低。 下面的割草机臂通过单个气缸和活塞升高和降低。 割草机在切割操作期间由地面支撑，并连接到他们的胳膊上，以便沿着和跨越行进路线自由地跟随地面起伏。 割草机在切割过程中的稳定性与其与臂的连接无关，是通过在每台割草机上组合前脚轮和后轮来实现的。 用于卷轴的液压驱动马达设置在至少两个回路中，每个回路中的马达串联连接。 用于驱动马达的液压储油器布置成提供液压流体的最大冷却。
-
公开(公告)号：US20210127578A1
公开(公告)日：2021-05-06
申请号：US16475973
申请日：2018-01-05
发明人： Dirk J. Desnijder
摘要： A forage harvester including a frame, a cutting arrangement and a plurality of displacement mechanisms. The cutting arrangement includes a cutting drum that is rotatable about a rotation axis with respect to the frame, and a shear bar holder configured to receive a shear bar attached thereto. Each of the displacement mechanisms including an actuator for displacing the shear bar with respect to the cutting drum and the frame. The displacement mechanisms include a sensor arrangement to measure one or more values representative of a force exerted on the shear bar and the shear bar holder when the cutting drum is rotating and cutting crops supplied to an area between the cutting drum and the shear bar.
-
公开(公告)号：US20160316618A1
公开(公告)日：2016-11-03
申请号：US14698524
申请日：2015-04-28
CPC分类号： A01D34/828 , A01D34/80
摘要： A brush cutter includes a center deck that is pivotally coupled to a first wing deck and a second wing deck. Each deck has a hydraulic cutting assembly. A mounting portion can be attached to a front carrier portion of a drive vehicle. The brush cutter has a hydraulic manifold operably coupled to each cutting assembly and configured to be operably coupled to a hydraulic system of the drive vehicle. The manifold includes valves that control the flow of drive fluid to the hydraulic cutting assemblies. Sensing arrangements signal the valves to shut off the drive fluid to the wing decks if the wing decks pivot upward from a lowered position to a first angular position. The sensing arrangements can optionally signal the drive vehicle's hydraulic system to reduce the flow of drive fluid to the hydraulic manifold for each wing deck that pivots upward to the angular position.
摘要翻译： 刷式切割机包括枢转地联接到第一翼甲板和第二翼甲板的中心甲板。 每个甲板都有一个液压切割组件。 安装部分可以附接到驱动车辆的前托架部分。 刷子切割器具有可操作地联接到每个切割组件并被配置为可操作地联接到驱动车辆的液压系统的液压歧管。 歧管包括控制驱动流体流向液压切割组件的阀。 如果翼甲板从降低的位置向上枢转到第一角度位置，则传感装置发信号通知阀将驱动流体切断到翼甲板。 感测装置可以选择地向驾驶车辆的液压系统发出信号，以减少向上枢转到角位置的每个翼甲板的液压歧管的驱动流体的流动。
-
8.发明申请公开(公告)号：US20110277885A1
公开(公告)日：2011-11-17
申请号：US13154086
申请日：2011-06-06
申请人： Etienne LABBE , Rene Boivin
发明人： Etienne LABBE , Rene Boivin
CPC分类号： A01G23/00 , Y10T407/1936 , Y10T407/1958
摘要： The brush cutting head for a brush cutter can have internally housed drive and bearing assemblies. The brush cutting head can includes a hollow support body having a first end, an opposed second end, an outer surface and an inner surface. Also provided is a drive and bearing assembly housed at least partially within the hollow of the support body. The drive and bearing assembly can include a drive block mounted to extend within the hollow of the support body at the first end thereof.
摘要翻译： 用于刷子切割机的刷子切割头可以具有内部容纳的驱动和轴承组件。 刷切割头可以包括具有第一端，相对的第二端，外表面和内表面的中空支撑体。 还提供了至少部分地容纳在支撑体的中空部内的驱动和轴承组件。 驱动和轴承组件可以包括安装成在其第一端处在支撑体的中空部内延伸的驱动块。
-
公开(公告)号：US06915872B2
公开(公告)日：2005-07-12
申请号：US10305212
申请日：2002-11-26
申请人： Thomas D. Wiley , Herb Poplawski
发明人： Thomas D. Wiley , Herb Poplawski
IPC分类号： A01B49/06 , A01D34/38 , A01D34/60 , A01D34/80 , A01D69/03 , F16H59/06 , F16H63/06 , B60K31/00
CPC分类号： F16H63/06 , A01B49/06 , A01D34/38 , A01D34/60 , A01D34/80 , A01D69/03 , F16H59/06 , F16H2059/0295 , Y10T74/20
摘要： A cruise control system for use in connection with a control arm linked to a swash plate that is moveable to provide the swash plate with a plurality of non-discrete angular orientations to affect fluid displacement of a hydraulic pump and a return to neutral mechanism for moving the control arm from a driving position to a position in which the swash plate does not affect fluid displacement of the hydraulic pump. The cruise control system includes a cruise control arm having a portion occupying a plane in common with a portion of the control arm. The cruise control arm is moveable to place the portion of the cruise control arm into contact with the portion of the control arm to prevent the control arm from moving from one of a plurality of non-discrete forward driving positions to the neutral position under the influence of the return to neutral mechanism.
摘要翻译： 一种巡航控制系统，用于与连接到斜盘的控制臂连接，该控制臂可移动以向斜盘提供多个非离散的角度定向，以影响液压泵的液体位移和返回至中性机构以移动 控制臂从驱动位置到旋转斜盘不影响液压泵的流体位移的位置。 巡航控制系统包括巡航控制臂，其具有占据与控制臂的一部分共同的平面的部分。 巡航控制臂可移动以使巡航控制臂的一部分与控制臂的部分接触，以防止控制臂从影响下的多个非离散前进驾驶位置之一移动到中立位置 的中立机制。
-
公开(公告)号：US4384443A
公开(公告)日：1983-05-24
申请号：US285678
申请日：1981-07-21
申请人： Gideon Hoogstrate
发明人： Gideon Hoogstrate
CPC分类号： F16H61/461 , A01D34/60 , Y10S56/11
摘要： A mowing machine comprises a plurality of cutting units (4) powered by a parallel hydraulic system with distributing means (30). The cutting units (4) are each powered by a hydromotor (16), all hydromotors (16) being driven by a central hydraulic pump (P). The hydromotors (16) are fed in a parallel relationship by the pump (P). Ahead of the hydromotor (16) in each circuit, is a distributing means (30) with an inlet (26) from the pump (P), and two outlets, (31) back to the supply tank (V), and (33) to the corresponding hydromotor (16). When a hydromotor (16) is deactivated, distributing means (30) automatically diverts the fluid normally flowing through the deactivated hydromotor back to the supply tank (V). This diversion of fluid prevents changing the speed of the remaining hydromotors as a result of increased flow or pressure available due to the deactivated hydromotor.
摘要翻译： 割草机包括由具有分配装置（30）的平行液压系统供电的多个切割单元（4）。 切割单元（4）分别由液压马达（16）供电，所有的液压马达（16）由中央液压泵（P）驱动。 水泵（16）由泵（P）以平行关系供给。 在每个回路中的液压马达（16）之前是具有来自泵（P）的入口（26）和两个出口（31）返回供给罐（V）的分配装置（30）和（33 ）到相应的水电机（16）。 当液压马达（16）停用时，分配装置（30）将正常流过失活的液压马达的流体自动转回到供给罐（V）。 流体的这种转移防止由于失活的水力电动机而增加的流量或压力可用而导致剩余的液压马达的速度变化。
-
-
-
-
-
-
-
-
-
搜索结果
24 条记录 (耗时 0.012 秒)
